to commonly asked questions.

What is a Doube NAT error?

Why is my network flashing?


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A double NAT error is not really anything to be concerned with in your case.. It means there are 2 devices functioning as routers in the same network. Your main Apple Airport Extreme wants to distribute IP addresses in the range of 10.0.1.x but the modem/router in the chain just before that router (given to you by your ISP) also wants to hand out numbers but in the range of 192.168.x.x. When a router detects another router on the same network you get this error. In general you can just select to ignore the error. But if you wanted to solve it completely you could but the airport extreme into bridge mode. It would then stop handing out 10.0.1.x numbers and instead rely on the modem/router given to you by your ISP to distribute the IP addresses to devices in your home. I don't personally like to do this because I feel the Airport does a better job handing out numbers than the modem?router given to you by your ISP. Overall, I would just ignore the issue.
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